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Flights from Seattle to Belleville
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Find Seattle to Belleville flights starting at CAD 1,127.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • SEA07:47
        35h 7m
        1 stop
        BLV20:54
        Fri, Dec 20|Seattle - Belleville|United Airlines
        CAD 1,127CAD 1,472
        23% OFF
        23% OFF
        CAD 1,472CAD 1,127

        Choose United Airlines flights from Seattle to Belleville. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Fri, Dec 20, arriving at MidAmerica St Louis Airport. One-way Prices start from CAD 1,127 including taxes and charges.

      • SEA21:25
        21h 29m
        1 stop
        BLV20:54
        Fri, Dec 20|Seattle - Belleville|Alaska Airlines
        CAD 1,310CAD 1,472
        11% OFF
        11% OFF
        CAD 1,472CAD 1,310

        Choose Alaska Airlines flights from Seattle to Belleville. The one-way connecting flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Fri, Dec 20, arriving at MidAmerica St Louis Airport. One-way Prices start from CAD 1,310 including taxes and charges.

      • SEA13:00
        3h 5m
        Nonstop
        BLV14:00
        Thu, Dec 12|Seattle - Belleville|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Seattle to Belleville?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find Cheapest Airlines Flying from Seattle to Belleville

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Sun Country Airlines
From CAD 891
United Airlines
From CAD 1,127
American Airlines
From CAD 1,217
Alaska Airlines
From CAD 1,310

Find more flights and airlines

Alternative Routes for Seattle to Belleville Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Seattle to Belleville.

  • Cheapest
    Sun Country Airlines
    SEA
    18:20
    24h 34m
    2 transfer
    BLV
    20:54
    Seattle-Tacoma International Airport - MidAmerica St Louis Airport
    Fri, Dec 20Sun Country Airlines
    CAD 891
  • Sun Country Airlines
    SEA
    18:20
    24h 34m
    2 transfer
    BLV
    20:54
    Seattle-Tacoma International Airport - MidAmerica St Louis Airport
    Fri, Dec 20Sun Country Airlines
    CAD 891
    Find More Flights

FAQ

  • When are flight tickets from Seattle (SEA) to Belleville (BLV) the cheapest?

    Airlines adjust prices for flights from Seattle to Belleville based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Seattle (SEA) to Belleville (BLV) cost?

    According to Trip.com's data, the lowest price is around CAD 551.

  • What is the transportation method from the main airport to downtown in Belleville?

    • The distance from MidAmerica St Louis Airport to downtown is about 14km, by taxi about 30 minutes.

  • How many airports in Belleville (BLV)?

    There are 1 airport(s) in Belleville (BLV): MidAmerica St Louis Airport.

How to find a cheap flight from Seattle to Belleville

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Belleville. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information for Seattle to Belleville Flights

Cheapest direct flight priceCAD 1,127
Off-season travel monthDecember
Peak season for travelJune
Flight distance2,794.36km
Popular airlineAmerican Airlines

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